拆分 AJAX POST 个变量

Question

每当单击 checkbox 时，我都会为 post AJAX 变量编写脚本。 When multiple checkboxes are selected the variables are stored in an array and seperated by a pipe.我需要将每个变量单独传递到我的 php 函数中，这样我就可以运行单独查询。

我的JavaScript

$(document).on("change", ".tbl_list", function () {
    var tbls = new Array();
    $("input:checkbox[name='tbl[]']:checked").each(function () {
        tbls.push($(this).val());
    });
    var tbl = tbls.join('|');
    var db = window.sessionStorage.getItem("db");
    alert(db);
    $.ajax({
        type: "POST",
        url: "ajax2.php",
        data: {
            tbl: tbl,
            db: db
        },
        success: function (html) {
            console.log(html);
            $("#tblField").html(html).show();
        }
    });
});

选择多个表时的输出

tbl:db|event

我的PHP函数

function tblProperties() {
    if (isset ( $_POST ['tbl'] )) {
        $tbl = $_POST ['tbl'];
        $db = $_POST ['db'];
        $link = mysqli_connect ( 'localhost', 'root', '', $db );
        $qry = "DESCRIBE $tbl";
        $result = mysqli_query ( $link, $qry );

我知道我需要以某种方式存储这些变量，然后执行 for each 来生成单独的查询，但我不确定该怎么做。

Answer 1

这样做：

function tblProperties() {
    if (isset ( $_POST ['tbl'] )) {
        $db = $_POST ['db'];
        $tables = explode('|', $_POST ['tbl']); // explode your variable
        $link = mysqli_connect ( 'localhost', 'root', '', $db );

        foreach($tables as $table) // foreach through it
        {
            $result = mysqli_query ( $link, "DESCRIBE $table" ); // do your query
            while($row = mysqli_fetch_array($result))
            {
                // your code here 
            }
        }
}

Answer 2

使用这个，

function tblProperties() {
    if (isset ( $_POST ['tbl'] )) {
        $tbl = $_POST ['tbl'];
        $db = $_POST ['db'];
        $link = mysqli_connect ( 'localhost', 'root', '', $db );
     $tblarr =  explode('|', $tbl);
     for($i = 0 ; $i < sizeof($tblarr); $i++)
    {
         $qry = "DESCRIBE $tblarr[$i]";
        $result[] = mysqli_query ( $link, $qry );
     }

拆分 AJAX POST 个变量

Splitting AJAX POST variables

javascript

php

ajax

jquery

post